Compressive Strength and Characterization of Failure Modes for Polymer Concreteby S. Mebarkia, Univ of Houston, Houston, United States,
C. Vipulanandan, Univ of Houston, Houston, United States,
Abstract: The effect of aggregate type, polymer content and specimen dimensions on the compressive strength and failure modes of a polyester polymer concrete (PC) was investigated. Two aggregate types, crushed sand (a mixture of sandstone and limestone) and blasting sand (mainly quartz minerals), with particle sizes in the range of 0.1 to 5 mm were included in this study. The polyester polymer content varied from 10% to 18% of the total weight of the composite. The glass fiber content was varied up to 6% by weight of the unreinforced PC. The compressive strength varied from 38 to 85 MPa depending on the PC system. The finer sand systems showed higher compressive strength. The specimens tested failed in shear and/or central splitting and a method to quantify the failure modes has been developed.
Subject Headings: Compressive strength | Polymer | Concrete | Failure modes | Material failures | Failure analysis
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